That smile! Those arched brows! This cover girl is totally the old-timey illustrated version of Poehler, right?

Jimmy Fallon, who felt just as strongly as we did that the funnylady needed to dress up like her doppelganger — slightly askew hat and all — for comparison's sake, made her do just that when she stopped by Late Night this weekend.

And she really got into character, asking "How about those Germans?" while swirling her champagne.